I watched some people bend the rudder back into position on a C30 with the boat out of the water and the rudder still on the boat! Come alongs, ropes, lots of sweat and discussion they got it back into position! I've no idea how much damage or stress they put on the rudder tube however. (one doesn't ask such questions when people are doing such things)

bottle, do you think a shop could do that with bent at the base stanchions?